public override bool select() { if (!isValid(new List<string>() { "fInUse", "fScore", "prID" })) return false; string sqlCommand = String.Format("select * from Feature where fID={0}", fID); Sql sql = new Sql(); SqlDataReader reader = sql.selectFeature(sqlCommand); reader.Read(); InitBySqlDataReader(reader); sql.closeConnection(); return true; }